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Decarbonylation of benzaldehydes by dual photoorgano-cobalt catalysis

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Kolb, Daniel ; Morgenstern, Martin ; König, Burkhard
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Date of publication of this fulltext: 22 Jun 2023 08:23


We report a mild alternative to thermally-driven noble-metal catalyzed decarbonylation protocols for the defunctionalization of benzaldehydes in short reaction times. Our cooperative photocatalytic system involves thioxanthone as an inexpensive HAT-agent and a cobalt complex required for selective C(sp2)–C(sp2) bond cleavage. The generated acyl and phenyl intermediates are postulated to be stabilized as cobalt complexes.

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